<!-- Skeleton.vue -->
<template>
    <div class="skeleton">
        <div class="skeleton-header"></div>
        <div class="skeleton-content">
            <div class="skeleton-line" v-for="i in 4" :key="i"></div>
        </div>
    </div>
</template>
  
<style scoped>
.skeleton {
    padding: 20px;
}

.skeleton-header {
    height: 60px;
    background: #f0f0f0;
    margin-bottom: 20px;
    border-radius: 4px;
}

.skeleton-content {
    background: #fff;
}

.skeleton-line {
    height: 20px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    margin-bottom: 12px;
    border-radius: 4px;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}</style>